# SDR CALA2021110302023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 2, 2021
- Submitted: November 3, 2021
- Operation: Air carrier
- Aircraft: [N486UA](https://openairdocs.org/aircraft/N486UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1620
- Aircraft time: 58,568 hours, 25,461 cycles
- System (JASC): [5340 · Fuselage Main, Attach Fittings](https://openairdocs.org/jasc/5340)
- Part: Stringer
- Part number: D5347041821800
- Condition: Corroded
- Location: Str41
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2021110302023

## Discrepancy

(A3NB-53-4-6179) AFT CRG COMPT: STR41 LH BETWEEN FR63 AND FR64 H AS CORROSION EVIDENCE DOT 61-056. IAW SRM 51-42-11/001 AND NDT''D CUT OUT IAW NTM 51-10-08 PART 6. SRM 53-00-13-300-001 FIG 001 SHEET 5 INSTALLED STRINGER REPAIR INSPECTION THRESHOLD FROM TIME OF ADL/REPAIR EMBODIMENT FC 60000 FABRICATED REPAIR PARTS: STRINGER DAN50B-11 BATCH 0003841248 AND IAW SRM 53-00-13-300-001 FIG 001 SHEETS 02,03,04,05 & 06. THIS / FH 120000 WHICHEVER ACHIEVED FIRST, SUBSEQUENT INSPECTIONS TBD COUPLING A53986212 BATCH 0003839519 IAW SRM 53-41-13-07-A AND REPAIR REQUIRES REPETITIVE INSP IAW SRI 53-00-13-205-001 TABLE 6 . WORK ACCOMPLISHED BY VTMAE EMP V934344. BLENDED CORRISION ON STR41L @ FR63 AND 64 IAW SRM 51-74-00. ORG MATERIAL 0.110 AFTER REWORK 0.089 L=11.5" W=0.8" D=0.021 OUT OF LIMITS IAW SRM 53-41-13-283-002 FIG 001 SHT 01. CUT OUT DAMAGE OK TO DIP REPAIR OF CORROSION AT STR 41 LH BETWEEN FR63 AND FR64 TOMC-APPROVAL FROM SC1ELBYC COMMENT REF SRMS 53-41-13-283-002 AND 53-00-13-300-001. REF SRI 53-00-13-205-001, MUST ACCOMPLISH RECHECK WITHIN 60000 FLIGHT CYCLES-120000 FLIGHT HOURS FROM REPAIR EMBODIMENT WHICHEVER OCCURS FIRST. AT TIME OF 1ST INSPECTION, RECHECK SRI AND APPLY APPLICABLE RECHECK LIMITS. INSPECTIONS CREATED BY AUTODIP PENDING AIRCRAFT RECORDS AUDIT & UPDATE. QC REVIEWED QC REVIEWED

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